Home / 2,810.10-4,213.06-1,347.86

Finding the Fourth Proportional to 2,810.10, 4,213.06 and 1,347.86

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Solution

The fourth proportional to 2,810.10, 4,213.06 and 1,347.86 is: 2,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.10 : 4,213.06 = 1,347.86 : x
  2. Step 2: Convert to fraction form
    2,810.10/4,213.06 = 1,347.86/x
  3. Step 3: Cross multiply
    2,810.10x = 4,213.06 × 1,347.86
  4. Step 4: Simplify right side
    2,810.10x = 5,678,593.99
  5. Step 5: Solve for x
    x = 5,678,593.99/2,810.10
  6. Step 6: Final answer
    x = 2,020.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.